diff --git a/pkgs/development/haskell-modules/cabal2nix-unstable.nix b/pkgs/development/haskell-modules/cabal2nix-unstable.nix
index ef4a7fc6a974..b216bf9000b6 100644
--- a/pkgs/development/haskell-modules/cabal2nix-unstable.nix
+++ b/pkgs/development/haskell-modules/cabal2nix-unstable.nix
@@ -8,10 +8,10 @@
 }:
 mkDerivation {
   pname = "cabal2nix";
-  version = "unstable-2021-09-23";
+  version = "unstable-2021-09-28";
   src = fetchzip {
-    url = "https://github.com/NixOS/cabal2nix/archive/749491a0911601d18fb00e27d15005406d295729.tar.gz";
-    sha256 = "0a4kd9n7qfbccjwd1f6hmz3wqqidcc6a76j7a1c5qkqpvjxr3mfm";
+    url = "https://github.com/NixOS/cabal2nix/archive/b4d893ed1a7a66b0046dd8a48f62b81de670ab02.tar.gz";
+    sha256 = "0xl5a0gfxrqz8pkx43zrj84xvcg15723lgvirxdcvc4zqa732zjg";
   };
   isLibrary = true;
   isExecutable = true;
diff --git a/pkgs/development/haskell-modules/hackage-packages.nix b/pkgs/development/haskell-modules/hackage-packages.nix
index ed117722d818..fbfd3730fdd2 100644
--- a/pkgs/development/haskell-modules/hackage-packages.nix
+++ b/pkgs/development/haskell-modules/hackage-packages.nix
@@ -105870,7 +105870,7 @@ self: {
     ({ mkDerivation, base, bytestring, Cabal, containers, gi-atk
      , gi-cairo, gi-gdk, gi-gdkpixbuf, gi-gio, gi-glib, gi-gobject
      , gi-gtk, gi-javascriptcore, gi-soup, haskell-gi, haskell-gi-base
-     , haskell-gi-overloading, text, transformers, webkitgtk24x-gtk3
+     , haskell-gi-overloading, text, transformers, webkitgtk
      }:
      mkDerivation {
        pname = "gi-webkit";
@@ -105882,12 +105882,12 @@ self: {
          gi-gio gi-glib gi-gobject gi-gtk gi-javascriptcore gi-soup
          haskell-gi haskell-gi-base haskell-gi-overloading text transformers
        ];
-       libraryPkgconfigDepends = [ webkitgtk24x-gtk3 ];
+       libraryPkgconfigDepends = [ webkitgtk ];
        doHaddock = false;
        description = "WebKit bindings";
        license = lib.licenses.lgpl21Only;
        hydraPlatforms = lib.platforms.none;
-     }) {inherit (pkgs) webkitgtk24x-gtk3;};
+     }) {inherit (pkgs) webkitgtk;};
 
   "gi-webkit2" = callPackage
     ({ mkDerivation, base, bytestring, Cabal, containers, gi-atk
@@ -286247,7 +286247,7 @@ self: {
   "webkitgtk3" = callPackage
     ({ mkDerivation, base, bytestring, Cabal, cairo, glib
      , gtk2hs-buildtools, gtk3, mtl, pango, text, transformers
-     , webkitgtk24x-gtk3
+     , webkitgtk
      }:
      mkDerivation {
        pname = "webkitgtk3";
@@ -286258,27 +286258,26 @@ self: {
        libraryHaskellDepends = [
          base bytestring cairo glib gtk3 mtl pango text transformers
        ];
-       libraryPkgconfigDepends = [ webkitgtk24x-gtk3 ];
+       libraryPkgconfigDepends = [ webkitgtk ];
        libraryToolDepends = [ gtk2hs-buildtools ];
        description = "Binding to the Webkit library";
        license = lib.licenses.lgpl21Only;
        hydraPlatforms = lib.platforms.none;
-     }) {inherit (pkgs) webkitgtk24x-gtk3;};
+     }) {inherit (pkgs) webkitgtk;};
 
   "webkitgtk3-javascriptcore" = callPackage
-    ({ mkDerivation, base, Cabal, gtk2hs-buildtools, webkitgtk24x-gtk3
-     }:
+    ({ mkDerivation, base, Cabal, gtk2hs-buildtools, webkitgtk }:
      mkDerivation {
        pname = "webkitgtk3-javascriptcore";
        version = "0.14.2.1";
        sha256 = "0kcjrka0c9ifq3zfhmkv05wy3xb7v0cyznfxldp2gjcn1haq084j";
        setupHaskellDepends = [ base Cabal gtk2hs-buildtools ];
        libraryHaskellDepends = [ base ];
-       libraryPkgconfigDepends = [ webkitgtk24x-gtk3 ];
+       libraryPkgconfigDepends = [ webkitgtk ];
        description = "JavaScriptCore FFI from webkitgtk";
        license = lib.licenses.bsd3;
        hydraPlatforms = lib.platforms.none;
-     }) {inherit (pkgs) webkitgtk24x-gtk3;};
+     }) {inherit (pkgs) webkitgtk;};
 
   "webmention" = callPackage
     ({ mkDerivation, base, bytestring, case-insensitive, either